Re: [APML] LUM with IR cutoff

["Robert Gendler" <robgendler@worldnet.att.net>]

Tony,

Even as a quickie that is quite impressive. The color looks

pretty good to me.

Rob Gendler
Email: robgendler@att.net
Web site: http://www.robgendlerastropics.com/

----- Original Message -----

From: Tony Hallas

To: astro-photo@seds.org

Sent: Tuesday, August 06, 2002 3:26 PM

Subject: Re: [APML] LUM with IR cutoff

Hello,

 

   I have been running around trying to get ready for the OSP but I did find a few minutes to slap together some data I have from NGC 6946... I tried shooting some RGB and then combining it with a LUM that was made with IR cutoff... my impression is that this is a good thing... the LUM "fit" exactly into the RGB at 100% and it seemed to me there was plenty of detail showing in the LUM... I uploaded the LUM and a very crummy RGB to a secret spot on our web site:

 

http://www.astrophoto.com/LUM.jpg

 

and

 

http://www.astrophoto.com/NGC6946.jpg

 

     One thing that bothers me is the strange "arcs" coming off the top of the star on the left... I am shooting with a pure reflector... any ideas where that could be happening? 

     At any rate, these are kind of "raw" images but maybe you might want to see what happens with the IR cutoff in the LUM.

 

     Have a good one,

 

          Tony